# Backend Engineer, Core Sending
**Company:** [Resend](https://hotfix.jobs/companies/resend)
**Location:** Remote
**Salary:** $120K-$140K
**Experience:** 8+ years
**Skills:** TypeScript, Go, AWS, Postgres, ClickHouse, Datadog, Cdk, Terraform, Kafka, SQS
**Posted:** 2026-05-07
> Builds and scales core email sending infrastructure handling millions of daily requests and emails. Designs high-availability systems, async pipelines, and databases with 8+ years backend experience focused on AWS cloud infrastructure.
## Job Description
## Responsibilities
- Help define the architecture to support millions of daily API requests
- Build and scale infrastructure to send dozens of millions of emails per day
- Improve high availability across distributed applications
- Scale databases like Postgres and Clickhouse to ensure that they are performant
- Enhance observability by using monitoring tools like Datadog
- Refine disaster recovery plans to ensure that recovery is quick and reliable
- Help to build our infrastructure with IaC frameworks like CDK and TF
- Work with Typescript and Golang
- Design and operate async pipelines (queues, streams, idempotency, retries, DLQs) that move tens of millions of messages per day
- Be on-call rotation (for critical services)

## Requirements
- 8+ years of back-end engineering with a focus on cloud infrastructure
- Fluent in writing and speaking English
- Can consistently work in the Americas timezone
- Thrive in open-ended problems and situations
- Have supported large workloads on AWS
- Experience with event-driven systems at scale (Kafka, SQS/SNS, or similar)

## Nice-to-haves
- Have experience working on applications with a high workload
- Know about email best practices, or are willing to learn more about this space
- Are experienced in Typescript and Golang

## Compensation
- $120,000 - $140,000 USD, commensurate with experience
**Apply:** https://hotfix.jobs/jobs/backend-engineer-core-sending-at-resend-3c6281ea-b1f8-40dd-ac76-3601201393c0
**Canonical:** https://hotfix.jobs/jobs/backend-engineer-core-sending-at-resend-3c6281ea-b1f8-40dd-ac76-3601201393c0